Perhaps you should try some spelling variations:
cong thuyet » trong thuyet, cong truyen, nang thuyet
nphung cong » nhung cong, nhung cang, nhung chong
thieu hanh » thien thanh, thien chanh, thieu khang
phung cong » nhung cong, phong cong, nhung chong
dan phan » doan phan, dan chan, van phan
phan cac » nhan cach, phan dau, phan lap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu hanh - thanh cong thuyet ((phung cong) or (nphung cong)) dan phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu hanh - thanh cong thuyet ((phung cong) OR (nphung cong)) dan phan cac.
• Adding a wildcard symbol may retrieve word variants: toc thieu hanh - thanh cong thuyet ((phung cong) or (nphung cong)) dan phan cac*.